Title:
エレベータの衝撃緩衝装置
Document Type and Number:
Japanese Patent JP4006254
Kind Code:
B2
Abstract:
An elevator buffer includes: a hydraulic buffer main body 2 arranged at a lowermost part of a hoistway, in which a plurality of plungers 6a to 6c are coupled to an upper surface of a cylinder 5 at multiple stages; a pulley mechanism 3 having pulley multi-winging means 10 in which one end of a flexible long member 9 is fixed to the uppermost plunger 6a, the other end of the flexible long member 9 is fixed to a first fixing part 8, a middle part of the flexible long member 9 having two mutually coupled movable pulleys 12a, 12b, and a fixed pulley 13; and a return checking switch 4 operated in accordance with upper and lower positions of the movable pulleys 12a, 12b.
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Inventors:
Kazuhiko Takai
Naoki Urata
Hidehiko Kobayashi
Naoki Urata
Hidehiko Kobayashi
Application Number:
JP2002097863A
Publication Date:
November 14, 2007
Filing Date:
March 29, 2002
Export Citation:
Assignee:
Toshiba Elevator and Building Company
International Classes:
B66B5/28
Domestic Patent References:
JP51105779U | ||||
JP3018578A | ||||
JP9132362A | ||||
JP9040319A | ||||
JP54079664U | ||||
JP3096728A | ||||
JP2002226152A | ||||
JP200340549A |
Attorney, Agent or Firm:
Hidekazu Miyoshi
Iwa Saki Kokuni
Kawamata Sumio
Nakamura Tomoyuki
Masakazu Ito
Shunichi Takahashi
Toshio Takamatsu
Iwa Saki Kokuni
Kawamata Sumio
Nakamura Tomoyuki
Masakazu Ito
Shunichi Takahashi
Toshio Takamatsu